2123101223 has 16 divisors (see below), whose sum is σ = 2219352000. Its totient is φ = 2028499200.

The previous prime is 2123101207. The next prime is 2123101231. The reversal of 2123101223 is 3221013212.

It is a cyclic number.

It is not a de Polignac number, because 2123101223 - 2⁴ = 2123101207 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2123301223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1369853 + ... + 1371401.

It is an arithmetic number, because the mean of its divisors is an integer number (138709500).

Almost surely, 2^2123101223 is an apocalyptic number.

2123101223 is a deficient number, since it is larger than the sum of its proper divisors (96250777).

2123101223 is a wasteful number, since it uses less digits than its factorization.

2123101223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2042.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 2123101223 is about 46077.1225555590. The cubic root of 2123101223 is about 1285.2577564864.

Adding to 2123101223 its reverse (3221013212), we get a palindrome (5344114435).

The spelling of 2123101223 in words is "two billion, one hundred twenty-three million, one hundred one thousand, two hundred twenty-three".